Unrated severityCISA KEVNVD Advisory· Published Aug 24, 2021· Updated Oct 21, 2025
CVE-2021-30860
CVE-2021-30860
Description
An integer overflow was addressed with improved input validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, watchOS 7.6.2. Processing a maliciously crafted PDF may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
Affected products
3- Range: unspecified
- Range: unspecified
- Apple/iOSv5Range: unspecified
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
15- security.gentoo.org/glsa/202209-21mitrevendor-advisoryx_refsource_GENTOO
- seclists.org/fulldisclosure/2021/Sep/25mitremailing-listx_refsource_FULLDISC
- seclists.org/fulldisclosure/2021/Sep/26mitremailing-listx_refsource_FULLDISC
- seclists.org/fulldisclosure/2021/Sep/27mitremailing-listx_refsource_FULLDISC
- seclists.org/fulldisclosure/2021/Sep/28mitremailing-listx_refsource_FULLDISC
- seclists.org/fulldisclosure/2021/Sep/38mitremailing-listx_refsource_FULLDISC
- seclists.org/fulldisclosure/2021/Sep/39mitremailing-listx_refsource_FULLDISC
- seclists.org/fulldisclosure/2021/Sep/40mitremailing-listx_refsource_FULLDISC
- seclists.org/fulldisclosure/2021/Sep/50mitremailing-listx_refsource_FULLDISC
- www.openwall.com/lists/oss-security/2022/09/02/11mitremailing-listx_refsource_MLIST
- support.apple.com/en-us/HT212804mitrex_refsource_MISC
- support.apple.com/en-us/HT212805mitrex_refsource_MISC
- support.apple.com/en-us/HT212806mitrex_refsource_MISC
- support.apple.com/en-us/HT212807mitrex_refsource_MISC
- support.apple.com/kb/HT212824mitrex_refsource_CONFIRM
News mentions
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